説明

BGD 500 デジタル引き剥がし接着力試験機

In order to perform satisfactorily, コーティングは、それが適用される基材に付着する必要があります. 実際には, 3 つの異なる試験手順を使用して、塗料とコーティングの基材からの剥離に対する耐性を評価します。:

Cross-Cut Test

This test method specifies a procedure for assessing the resistance of paints and coatings to separation from substrates when a right angle lattice pattern iscut into the coating, 下地まで浸透する.

The method may be used for a quick pass/fail test. When applied to a multi-coat system, assessment of the resistance to separation of individual layers of thecoating from each other may be made.

BGD 500 デジタル引き剥がし接着力試験機

Scrape Adhesion

This test method covers the determination of the adhesion of organic coatings such aspaint, ワニス, and lacquer when applied to smooth, フラット(planar)panel surface.It has been found useful in providing relative ratings for a series of coated panels exhibiting significant difference in adhesion.

The materials under test are applied at uniform thickness to flat panels, usually sheet metal of uniform surface texture. After drying, the adhesion is determined by pushing the panels beneath a rounded stylus or loop that is loaded with increasing amount of weight until the coating is removed from the substrate surface.

Pull-off Test

Adhesion of asingle coating or a multi-coat system of paint, varnish or related products is assessed by measuring the minimum tensile stress necessary to detach or rupture the coating in a direction perpendicular to the substrate. This method maximizes tensile stress as compared to the shear stress applied by other methods such as scratch adhesion and results may not be comparable. The test is performed by securing a loading fixture (dolly) perpendicular to the surface of the coating with an adhesive. 接着剤硬化後, a testing apparatus is attached to the loading fixture and aligned to apply tension perpendicular to the testsurface. The force applied is gradually increased and monitored until either a plug of coating material is detached, or a specified value is reached.

digital pull-off adhesion tester is a portable, hand-operated instrument which is used to measure the force required to pull a specified test diameter of coating away from its substrate using hydraulic pressure. The pressure is displayed on a digital LCD and represents the coating’s strength of adhesion to the substrate.

It evaluates the adhesion (pull-offstrength) of a coating by determining the greatest tensile pull-off force that it can bear before detaching. Breaking points, demonstrated by fractured surfaces,occur along the weakest plane within the system consisting of dolly, 接着剤,coating layers and substrate.

BGD 500 Digital Pull-off Adhesion Tester

主な技術パラメータ

■ Dolly Size: 20mm(Standard);10んん、14んん、50mm(Optional)

■ Resolution: 0.01MPa(1psi)

■ Accuracy±1% Full scale

■ Max. Pull-off PressureΦ10mm dolly →0-80 MPaΦ14mm dolly→0-40 MPa
Φ20mm dolly→0-20 MPaΦ50mm dolly→0-3.5 MPa

■パワー:Built-in rechargeable lithium battery, and standard configuration charging adapter.
■ Adhesion Tester Size:360mm×75mm×115mm(L x W x H)

■ Adhesion Tester Weight:3KG

オプション

BGD 1520—10mm Dolly(10 pcs/package)

BGD 1521—14mm Dolly(10 pcs/package)

BGD 1522—20mm Dolly(10 pcs/package)

BGD 1523—50mm Dolly(10 pcs/package)

BGD 1524—50mm Dolly Base

BGD 1525Cutting Tool for 50mm dolly

BGD 1526Cutting Tool for 20mm dolly

BGD 1527—3M Adhesive






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